Home / 8,198.72-11,313.90-4,613.60

Finding the Fourth Proportional to 8,198.72, 11,313.90 and 4,613.60

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Solution

The fourth proportional to 8,198.72, 11,313.90 and 4,613.60 is: 6,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.72 : 11,313.90 = 4,613.60 : x
  2. Step 2: Convert to fraction form
    8,198.72/11,313.90 = 4,613.60/x
  3. Step 3: Cross multiply
    8,198.72x = 11,313.90 × 4,613.60
  4. Step 4: Simplify right side
    8,198.72x = 52,197,809.04
  5. Step 5: Solve for x
    x = 52,197,809.04/8,198.72
  6. Step 6: Final answer
    x = 6,366.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.